Tool bit



FIG. 1 is a perspective view of a tool bit showing an embodiment of my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the figures are for illustrative purposes only and depict portions of the design that form no part of the claim. 

The ornamental design for a tool bit, as shown and described. 